Find two numbers with a sum of 20 and a difference of 14

Question

asked Dec 2, 2019 117k views

1 Answer

Nevster · Answer 1 · 2019-12-09T16:16:22+0000

Make two equations

X+Y=20

X-Y=14

Now add x since y cancels out and add 20+14 To end up with

2x=34

Now divide 2 both sides to get x alone

2x/2=34/2

X=17

Now substitute x answer to first equation and solve for y

17+y=20

Subtract 17 both sides

Y= 3

Your two numbers are

3 and 17